From 48045ace0541ec39f9c5003c0c37a23e1651f39d Mon Sep 17 00:00:00 2001
From: David Sommerseth <dazo@users.sourceforge.net>
Date: Wed, 10 Mar 2010 11:45:04 +0100
Subject: On TARGET_LINUX define _GNU_SOURCE if not defined

This is to include peercred support on hosts where _GNU_SOURCE is not
defined by default.  This issue has been found on Gentoo with glibc-2.8.

The solution was discussed on the IRC meeting March 4, 2010
in #openvpn-discussions.
<http://thread.gmane.org/gmane.network.openvpn.devel/3242>

Signed-off-by: David Sommerseth <dazo@users.sourceforge.net>
Acked-by: James Yonan <james@openvpn.net>
---
 syshead.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'syshead.h')

diff --git a/syshead.h b/syshead.h
index bc54ce0..0a3eb14 100644
--- a/syshead.h
+++ b/syshead.h
@@ -85,6 +85,10 @@
 #endif
 
 #ifdef HAVE_SYS_SOCKET_H
+# if defined(TARGET_LINUX) && !defined(_GNU_SOURCE)
+   /* needed for peercred support on glibc-2.8 */
+#  define _GNU_SOURCE
+# endif
 #include <sys/socket.h>
 #endif
 
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